Tellurium Oxide

	Tellurium Oxide Tellurium oxide may refer to: Tellurium monoxide, TeO Tellurium dioxide, TeO2 Tellurium trioxide Tellurium trioxide ( Te O3) is an inorganic chemical compound of tellurium and oxygen. In this compound, tellurium is in the +6 oxidation state In chemistry, the oxidation state, or oxidation number, is the hypothetical charge of an atom if all ..., TeO3 {{Short pages monitor ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Tellurium Monoxide The diatomic molecule tellurium monoxide has been found as a transient species. Previous work that claimed the existence of TeO solid has not been substantiated. The coating on DVDs called tellurium suboxide may be a mixture of tellurium dioxide and tellurium metal. History Tellurium monoxide was first reported in 1883 by E. Divers and M. Shimose. It was supposedly created by the thermal decomposition of tellurium sulfoxide in a vacuum, and was shown to react with hydrogen chloride in a 1913 report. Later work has not substantiated the claim that this was a pure solid compound. By 1984, the company Panasonic was working on an erasable optical disk drive containing "tellurium monoxide" (really a mixture of Te and TeO2). See also * Tellurium dioxide * Tellurium trioxide * Lead carbide – originally thought to be a pure compound, but now considered more likely to be a mixture of carbon and lead * Iodine pentabromide – originally thought to be a pure compound, but now consider ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Tellurium Dioxide Tellurium dioxide (TeO2) is a solid oxide of tellurium. It is encountered in two different forms, the yellow orthorhombic mineral tellurite, β-TeO2, and the synthetic, colourless tetragonal (paratellurite), α-TeO2. Most of the information regarding reaction chemistry has been obtained in studies involving paratellurite, α-TeO2.W.R.McWhinnie (1995) ''Tellurium - Inorganic chemistry'' Encyclopedia of Inorganic Chemistry Ed. R. Bruce King (1994) John Wiley & Sons Preparation Paratellurite, α-TeO2, is produced by reacting tellurium with O2: :Te + O2 → TeO2 An alternative preparation is to dehydrate tellurous acid, H2TeO3, or to thermally decompose basic tellurium nitrate, Te2O4·HNO3, above 400 °C. Physical properties The longitudinal speed of sound in Tellurium dioxide is at around room temperature. Chemical properties TeO2 is barely soluble in water and soluble in strong acids and alkali metal hydroxides. It is an amphoteric substance and therefore can act both ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]